FRENCH CYLINDRICAL URGD SEMICONDUCTOR PROTECTION FUSES PROTISTOR® FUSES 600V - 660V AC URGD from 63 up to 250A SIZES: 27 X 60mm Features / Benefits ➤ Extremely high Interrupting rating Fuses: Protection of power Semiconductors according to IEC 269.1 and 4 ➤ 600V-660V AC Voltage Rating ➤ aR Class according to VDE 636-23 and IEC 269.4 ➤ Model according to NF C 63210 and 63211 with built-in blown fuse indication APPLICATIONS DATA Voltage rating UN( VAC ) Class 660 V URGD 600 V URGD Current rating IN( A ) pre-arcing I2t @ 1 ms I2tp (A2s) Total clearing I2t @ UN I2tt (A2s) 63 80 100 125 160 200 405 860 1620 3425 6480 13700 1840 3750 6800 13600 24600 61500 250 29600 107000 Watt losses Tested interrupting rating 0.8 IN IN 12 13.5 15 16 17 18.5 22 24.6 27 29.5 32.5 35.7 21 40 200 kA @ 660 V 200 kA @ 600 V Minimum operating voltage for trip-indicator: 20 V PART NUMBERS 27x60 - With blown fuse trip-indicatior Ø 27 60,3 TYPE VOLTAGE CURRENT RATING URGD 660 V 63 80 100 125 160 200 URGD 600 V 250 A 7 Ø5 D 96 A A A A A A REF # CATALOG NO. 6.621 6.621 6.621 6.621 6.621 6.621 CP CP CP CP CP CP URGD URGD URGD URGD URGD URGD 27x60/ 63 27x60/ 80 27x60/100 27x60/125 27x60/160 27x60/200 A B C D E F 076820 076821 076822 076823 076824 076825 621 CP URGD 27x60/250 W 076264 FRENCH CYLINDRICAL URGD SEMICONDUCTOR PROTECTION FUSES Melting Time-Current Data D Tolerance for the mean pre-arcing current ± 8% These curves indicate, for each rated current, the pre-arcing time vs. the R.M.S. pre-arcing current. Clearing I2t vs. AC Operating Voltage Peak arc Voltage 63 to 200A URGD 63 to 200A URGD K 1,2 Um(V) 2000 1 0,8 0,6 1000 0,4 0,2 0 200 400 600 U(V) 250A URGD K 1,2 Correction factor to determine the clearing I2t of a fuse operating below its rated voltage. 0 100 200 300 400 500 600 700 250A URGD Um(V) 2000 1 0,8 0,6 1000 0,4 0,2 0 100 200 300 400 500 600 U(V) 0 D 97 100 200 300 400 500 600 700 These curves determine the peak arc voltage across the fuse terminals as a function of the applied voltage.